using System;


namespace EncodeAnswers
{
    class Program
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());
            int countA = 0;
            int countB = 0;
            int countC = 0;
            int countD = 0;
            string result=null;

            for (int i = 0; i < n; i++)
            {

                string answer;

                uint numbers = uint.Parse(Console.ReadLine());

                if(numbers%4==0)
                {
                    countA++;
                    answer = "a";
                }
                else if(numbers%4==1)
                {
                    countB++;
                    answer = "b";
                }
                else if(numbers%4==2)
                {
                    countC++;
                    answer = "c";
                }
                else
                {
                    countD++;
                    answer = "d";
                }
                result += answer + ' ';
            }

            Console.WriteLine(result);
            Console.WriteLine("Answer A: {0}",countA);
            Console.WriteLine("Answer B: {0}",countB);
            Console.WriteLine("Answer C: {0}",countC);
            Console.WriteLine("Answer D: {0}",countD);

        }
    }
}